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Finding the Fourth Proportional to 32,652.51, 48,968.48 and 12,660.59

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Solution

The fourth proportional to 32,652.51, 48,968.48 and 12,660.59 is: 18,986.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,652.51 : 48,968.48 = 12,660.59 : x
  2. Step 2: Convert to fraction form
    32,652.51/48,968.48 = 12,660.59/x
  3. Step 3: Cross multiply
    32,652.51x = 48,968.48 × 12,660.59
  4. Step 4: Simplify right side
    32,652.51x = 619,969,848.20
  5. Step 5: Solve for x
    x = 619,969,848.20/32,652.51
  6. Step 6: Final answer
    x = 18,986.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.